Feature flags · November 2026 Edition
Flagsmith vs GrowthBook
Five of fourteen models named Flagsmith first on the direct prompt; three named GrowthBook. Both were named by all fourteen models and Flagsmith carries 63 labels and GrowthBook 47, so the shares are not directly comparable.
Named in one category this edition.
Named in one category this edition.
First-choice share22%14%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate6%4%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#2#4A position in a field of 8; printed, not drawn.
Labels6347A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Flagsmith reading right to left. Rank and label count are printed, not drawn.Unleash was named alongside these two in nine of the fourteen direct answers. LaunchDarkly vs Flagsmith · LaunchDarkly vs GrowthBook · Flagsmith vs ConfigCat
Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen models, for a mid-market B2B company; rank is within the category; every quote names the model and the prompt it came from. Both figures come from the feature flags page.
By framing
How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
FlagsmithFirst choices, of fourteen modelsGrowthBook
Direct53
Paraphrase31
Comparative10
Budget-constrained33
Scale-constrained00
Negative014 against Flagsmith · 2 against GrowthBook
Bars are first choices, 0 to 14 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to fourteen.
Across every category in the November 2026 Edition, Flagsmith and GrowthBook were named in the same answer 108 times, of the 177 answers naming Flagsmith and the 127 naming GrowthBook. In those answers GrowthBook took the first choice seven times and Flagsmith sixteen.
Every model, every framing
The eighty-four answers behind the chart above, one cell each: where Flagsmith and GrowthBook stood in it.
| Model | Direct | Paraphrase | Comparative | Budget-constrained | Scale-constrained | Negative |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | | | ||||
| GPT-5.4 mini | | | | | | |
| Gemini 3.5 Flash | | | | | | |
| Perplexity Sonar | | | | | | |
| Grok 4.20 | | | | | ||
| Mistral Small | | | | |||
| DeepSeek V4 Flash | | | | | | |
| Llama 4 Maverick | | | ||||
| Qwen 3.7 Flash | | | | | | |
| Kimi K2 | | | | | | |
| GLM 4.7 FlashX | | | | | ||
| MiniMax M2.5 | | | | | | |
| GPT-6 Luna | | | | | ||
| Muse Glimmer 30B | | | | | |
Flagsmith GrowthBook first choice named as an alternative argued againstblank: not namedEach cell is one answer, Flagsmith on the left and GrowthBook on the right.The direct prompt
The plain question, one answer per model, grouped by where Flagsmith and GrowthBook stood in it.
Both were the first choice
1 of 14 modelsThe answer named them together, and the judge labeled each a first choice.GLM 4.7 FlashXFlagsmith, GrowthBook alternatives: Split, Unleash
Flagsmith first, GrowthBook an alternative
4 of 14 modelsGrowthBook was named in the answer but not as the choice, or not at all.Claude Haiku 4.5Flagsmith alternatives: Reflag, Statsig
Mistral SmallFlagsmith, Unleash alternatives: ConfigCat, Split
Kimi K2Flagsmith, Statsig alternatives: GrowthBook
MiniMax M2.5Flagsmith, LaunchDarkly alternatives: GrowthBook, Split, Unleash
GrowthBook first, Flagsmith an alternative
2 of 14 modelsFlagsmith was named in the answer but not as the choice, or not at all.DeepSeek V4 FlashGrowthBook alternatives: Flagsmith, LaunchDarkly, Unleash
Qwen 3.7 FlashConfigCat, GrowthBook alternatives: Flagsmith, Unleash
Neither was the first choice, one was named
6 of 14 modelsThe answer put something else first and named one of the two as an alternative.GPT-5.4 miniLaunchDarkly alternatives: Flagsmith, GrowthBook, Unleash
Gemini 3.5 FlashStatsig alternatives: Flagsmith, PostHog Feature Flags, Schematic, Unleash
Perplexity SonarLaunchDarkly alternatives: ConfigCat, GrowthBook, Harness FME, Statsig, Unleash
Grok 4.20LaunchDarkly alternatives: Flagsmith, GrowthBook, Harness FME, Statsig, Unleash
GPT-6 LunaStatsig alternatives: Flagsmith, LaunchDarkly
Muse Glimmer 30BReflag alternatives: Flagsmith, Statsig, WorkOS Feature Flags
Neither was named
1 of 14 modelsThe answer made no first choice from these two in this category.Llama 4 Maverickno first choice
Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.
By buyer segment
The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.
Small business
Flagsmith leads by twenty-three points.
Flagsmith27%#2 of 8GrowthBook4%#5 of 8Mid-marketThe figures above
Flagsmith leads by eight points.
Flagsmith22%#2 of 8GrowthBook14%#4 of 8Enterprise
Level: the same share of first choices.
Flagsmith4%#4 of 10GrowthBook4%#5 of 10What the models said about Flagsmith
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.
“Flagsmith, for example, documents API-request limits on managed infrastructure and different pricing tiers” GPT-5.4 mini · negative prompt · soft negative
“Flagsmith provides bucketing but may require a separate analytics system to determine experiment winners” Perplexity Sonar · negative prompt · soft negative
“Strong for self-hosting, but cloud versions can have scaling hiccups if not configured well” Grok 4.20 · negative prompt · soft negative
“I'd generally recommend Flagsmith if you want the best balance of capability, cost control, and deployment flexibility” GPT-5.4 mini · paraphrase prompt · first choice
“Flagsmith is an ideal fit for mid-sized SaaS teams that want developer control without enterprise-level pricing.” Claude Haiku 4.5 · direct prompt · first choice
“Flagsmith and Unleash are the best choices due to their flexibility, cost, and robust feature sets” Mistral Small · direct prompt · first choice
What the models said about GrowthBook
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Five of six in this category shown.
“Any self-hosted option—including Unleash, Flagsmith, or GrowthBook: be cautious” GPT-6 Luna · negative prompt · soft negative
“GrowthBook — full SaaS without viable self-hosting option” DeepSeek V4 Flash · negative prompt · soft negative
“For most mid-market B2B companies, GrowthBook or Flagsmith provide the best balance of features, pricing, and ease of use.” GLM 4.7 FlashX · direct prompt · first choice
“GrowthBook stands out as the best overall value and capability match for mid-market B2B companies.” DeepSeek V4 Flash · direct prompt · first choice
“My default pick: GrowthBook for a small company that wants to keep costs near zero.” GPT-6 Luna · budget prompt · first choice
Also compared
LaunchDarkly vs FlagsmithLaunchDarkly vs GrowthBookFlagsmith vs ConfigCatFlagsmith vs UnleashFlagsmith vs StatsigFlagsmith vs PostHog Feature FlagsFlagsmith vs SplitConfigCat vs GrowthBookGrowthBook vs UnleashGrowthBook vs StatsigGrowthBook vs PostHog Feature FlagsGrowthBook vs SplitAll twenty-eight head-to-head pages and the full feature flags standing
Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.